Since the stainless steel of the caulking ball does not pass, we want to increase the little screw hole after. (Use through the caulking ball to increase the hole for now)
The products are satisfied but in terms of the holes ☆ 4.

Screw holes with the same diameter to drive the caulking of leather craft Rashiku JIS standard, it was a little hard.
After extending a metal for the drill, it hopes to cut that does not become waste number because the well can be installed fit really.
Price's increase in the personal purchase, but may, if the proper value box-buying by the skilled in the art. subtle.